550 
FZNT31 KNHC 151410
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1010 AM EDT Sat Mar 15 2025

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 19N W of 55W, the N Atlantic from 19N to
31N W of 55W including the Bahamas, and the Caribbean Sea.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

Synopsis for Caribbean Sea and Tropical N Atlantic from
07N to 19N W of 55W

.SYNOPSIS...High pressure over the northwest Atlantic will build
while it shifts to the southeast to the central Atlantic waters.
Fresh to strong winds will pulse at night offshore Colombia
through early next week. Moderate to fresh NE to E winds are
expected in the Windward Passage and south of the Dominican
Republic through the weekend. Fresh to strong SE winds in the
Gulf of Honduras will expand to the remaining northwest
Caribbean ahead of a cold front forecast to move across the
Yucatan Channel into the northwest basin Mon morning. Rough seas
are expected with the strong winds preceding the front. Fresh to
strong N to NE winds and moderate seas will be associated with
the passage of the front, which is forecast to reach from
eastern Cuba to NE Honduras by Tue morning, from the Windward
Passage to NE Nicaragua Tue evening before dissipating late Wed.
 

NW Caribbean W of 85W

.THIS AFTERNOON...SE winds 15 to 25 kt. Seas 5 to 7 ft. 
.TONIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. 
.SUN...SE winds 15 to 25 kt. Seas 6 to 9 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, SE winds
10 to 15 kt, diminishing to less than 10 kt after midnight. Seas
3 to 5 ft. 
.MON...NE winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 15 to 20 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. 
.TONIGHT...NE winds 15 to 20 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. 
.SUN...E winds 15 to 20 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds 15 to 20 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...NE winds 10 to 15 kt, diminishing to less than
10 kt in the afternoon. Seas 3 to 5 ft. 
.TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.SUN...NE winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 

Caribbean between 64W and 72W

.THIS AFTERNOON...NE winds 10 to 20 kt Gulf of Venezuela, and E
less than 10 kt elsewhere. Seas 3 ft. 
.TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 4 ft. 
.SUN...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt
elsewhere. Seas 3 to 4 ft. 
.SUN NIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and NE
10 to 15 kt elsewhere. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...E winds less than 10 kt. Seas 3 to 4 ft. 
.TUE NIGHT...NE winds less than 10 kt. Seas 3 ft. 
.WED...E winds less than 10 kt. Seas 3 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 

Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...SE winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 5 ft. 
.SUN...Variable winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. 
.MON...NE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.TUE...Variable winds less than 10 kt. Seas 4 to 6 ft. 
.TUE NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. 
.WED...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. 

Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W

.THIS AFTERNOON...E winds 10 to 15 kt, diminishing to less than
10 kt in the afternoon. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...The tail end of a stationary front is analyzed along
22N east of 65W. Fresh to strong NE to E winds and rough seas to
9 ft are ongoing N of the front east of 65W. The front will
gradually dissipate through Sun. High pressure over the NW 
Atlantic will build while it shifts SE to the central Atlantic 
waters through early next week. The pressure gradient between
the associated ridge and the remnants of the aforementioned 
front will lead to the development of fresh to strong winds north
of 22N and E of the Bahamas this weekend. These winds will 
support building rough seas across E of the Bahamas. Looking 
ahead, a low pres system will develop east of the area. Farther 
west, a strong cold front will push off the SE United States 
coast early Mon preceded and followed by fresh to near-gale force
winds. The front will reach from 31N68W to the Turks and Caicos 
and eastern Cuba Tue morning, and from Bermuda to Puerto Rico Wed
morning. 

ATLC waters from 27N to 31N W of 77W

.THIS AFTERNOON...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.TONIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. 
.SUN...S winds 15 to 25 kt. Seas 6 to 9 ft. 
.SUN NIGHT...S winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON...W winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. 
.TUE...N winds 15 to 25 kt. Seas 7 to 10 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED NIGHT...N winds 10 to 15 kt, shifting to NW after midnight.
Seas 6 to 9 ft. 

ATLC waters from 27N to 31N between 65W and 77W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft W of 70W,
and 6 to 8 ft elsewhere. 
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft W of 70W, and
6 to 9 ft elsewhere. 
.SUN...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...SW winds 15 to 25 kt. Seas 7 to 10 ft. 
.TUE...NW winds 15 to 25 kt. Seas 8 to 11 ft. 
.TUE NIGHT...NW winds 15 to 25 kt. Seas 9 to 14 ft. 
.WED...N winds 15 to 25 kt. Seas 11 to 16 ft. 
.WED NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft. 

Bahamas N of 22N

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 ft. 
.TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 
.MON...S winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON NIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. 

ATLC waters from 22N to 27N between 65W and the Bahamas

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft W of 70W,
and 5 to 7 ft elsewhere. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft W of 70W, and
6 to 9 ft elsewhere. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft W of 70W, and 6 to
9 ft elsewhere. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...SE winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.TUE...W winds 10 to 20 kt. Seas 6 to 9 ft. 
.TUE NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. 
.WED...NW winds 15 to 25 kt. Seas 9 to 14 ft. 
.WED NIGHT...NW winds 15 to 25 kt. Seas 10 to 15 ft. 

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...NE winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...E winds less than 10 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.TUE...S winds less than 10 kt, shifting to W in the afternoon.
Seas 3 to 5 ft. 
.TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. 

ATLC waters from 19N to 22N between 55W and 65W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds less than 10 kt. Seas 6 to 8 ft. 
.SUN...NE winds less than 10 kt. Seas 6 to 7 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. 
.MON...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. 
.TUE...E winds less than 10 kt, shifting to S in the afternoon.
Seas 6 to 9 ft. 
.TUE NIGHT...S winds 10 to 15 kt. Seas 7 to 9 ft. 
.WED...SW winds 10 to 15 kt. Seas 6 to 8 ft. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft.